mirror of https://github.com/google/pebble
103 lines
3.6 KiB
Python
103 lines
3.6 KiB
Python
import os
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import sys
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import waflib.Logs
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sys.path.append(os.path.abspath('waftools'))
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import objcopy
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import gitinfo
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def options(opt):
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opt.load('compiler_c')
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opt.add_option('--board', action='store', default='bb2',
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help='Which board to build for '
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'(bb2|ev2_4|v1_5|v2_0)',
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choices=['bb2',
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'ev2_4',
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'v1_5',
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'v2_0'])
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opt.add_option('--nowatchdog', action='store_true',
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help='Do not enable watchdog timer or reset upon failure')
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opt.add_option('--loglevel', type='int', default=0,
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help='Set the logging verbosity [default: %default]')
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opt.add_option('--displaydemo', action='store_true',
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help='Make the bootloader infinitely loop through boot splash and error codes')
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def configure(conf):
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CPU_FLAGS = ['-mcpu=cortex-m3', '-mthumb']
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OPT_FLAGS = ['-Os', '-g', '-flto', '-fno-fat-lto-objects', '-ffunction-sections',
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'-fdata-sections', '-fno-if-conversion', '-fno-optimize-sibling-calls']
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C_FLAGS = [
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'-std=c11', '-ffreestanding',
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'-Wall', '-Wextra', '-Werror', '-Wpointer-arith',
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'-Wno-unused-parameter', '-Wno-missing-field-initializers',
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'-Wno-error=unused-function', '-Wno-error=unused-variable',
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'-Wno-error=unused-parameter', '-Wno-error=unused-but-set-variable',
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'-Wno-packed-bitfield-compat'
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]
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conf.find_program('arm-none-eabi-gcc', var='CC', mandatory=True)
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conf.env.AS = conf.env.CC
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for tool in 'ar objcopy'.split():
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conf.find_program('arm-none-eabi-' + tool, var=tool.upper(),
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mandatory=True)
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conf.env.BOARD = conf.options.board
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conf.env.append_value('CFLAGS', CPU_FLAGS + OPT_FLAGS + C_FLAGS)
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conf.env.append_value('DEFINES', [
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'_REENT_SMALL=1',
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'USE_STDPERIPH_DRIVER=1',
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'BOARD_' + conf.options.board.upper()
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])
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conf.env.append_value('LINKFLAGS', ['-Wl,--cref', '-Wl,--gc-sections',
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'-Wl,--sort-section=alignment', '-nostdlib'] +
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CPU_FLAGS + OPT_FLAGS)
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if conf.options.nowatchdog:
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conf.env.append_value('DEFINES', 'NO_WATCHDOG')
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if conf.options.displaydemo:
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conf.env.append_value('DEFINES', 'DISPLAY_DEMO_LOOP')
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conf.env.BOOTLOADER_LENGTH = '16384'
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conf.env.append_value(
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'DEFINES', 'BOOTLOADER_LENGTH=' + conf.env.BOOTLOADER_LENGTH)
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conf.load('gcc gas objcopy ldscript')
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conf.load('binary_header')
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conf.load('file_name_c_define')
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def build(bld):
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if bld.cmd == 'install':
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raise Exception("install isn't a supported command. Did you mean flash?")
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linkflags = ['-Wl,-Map,tintin_boot.map']
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sources = (
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bld.path.ant_glob('src/*.S') +
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bld.path.ant_glob('src/**/*.c'))
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bld(features='subst',
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source='src/git_version.auto.h.in',
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target='src/git_version.auto.h',
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**gitinfo.get_git_revision(bld))
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bld.recurse('libc')
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bld.recurse('vendor')
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bld(features='subst',
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source='src/stm32f_flash_boot.ld.in',
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target='src/stm32f_flash_boot.ld')
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bld(features='c asm cprogram objcopy',
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source=sources,
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includes='src',
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target='tintin_boot.elf',
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ldscript='src/stm32f_flash_boot.ld',
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linkflags=linkflags,
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objcopy_bfdname='ihex',
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objcopy_target='tintin_boot.hex',
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use=['stm32_stdlib', 'pblibc'],
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lib=['gcc'])
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bld(rule=objcopy.objcopy_simple_bin, source='tintin_boot.elf', target='tintin_boot.bin')
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# vim:filetype=python
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